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ECE · Q58

Optical Communication

Engineering and GATE · ECE · question 58

Q58

The optical source used in a fiber is an injection laser with a relative spectral width _ of 0.0011 at a wavelength of 0.70μm. Estimate the RMS spectral width.

The optical source used in a fiber is an injection laser with a relative spectral width of 0.0011 at a wavelength of 0.70μm. Estimate the RMS spectral width.
A.
1.2 nm
B.
1.3 nm
C.
0.77 nm
Answer
D.
0.98 nm

Answer: Option C

Solution

Answer: Option C
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